12347923 has 8 divisors (see below), whose sum is σ = 14440448. Its totient is φ = 10337544.

The previous prime is 12347911. The next prime is 12347953. The reversal of 12347923 is 32974321.

12347923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12347923 - 2¹³ = 12339731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12347953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20211 + ... + 20812.

It is an arithmetic number, because the mean of its divisors is an integer number (1805056).

Almost surely, 2^12347923 is an apocalyptic number.

12347923 is a deficient number, since it is larger than the sum of its proper divisors (2092525).

12347923 is an equidigital number, since it uses as much as digits as its factorization.

12347923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41073.

The product of its digits is 9072, while the sum is 31.

The square root of 12347923 is about 3513.9611551638. The cubic root of 12347923 is about 231.1344269825.

The spelling of 12347923 in words is "twelve million, three hundred forty-seven thousand, nine hundred twenty-three".